1. How did you find using indigenous musical instruments?
2. Aside from the concepts and principles in sound you learned and applied for a perfect performance what order insights can you identify?
3. Can you extend your designs to come up with good quality instruments using indigenous materials?You can be famous with your artworks.

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Plankton are organisms that are too small to move faster than the currents.

Nekton are larger organisms that can move faster than the currents.

Benthos are small organisms that live on or in the seafloor.

The classification of all living organisms is based on basic, shared characteristics. Each group of organisms is then subdivided into smaller groups. These smaller groups are formed on the basis of more specific similarities within each larger group. Living organisms are classified primarily to avoid confusion, to facilitate organism study, and to learn how various organisms are related to one another.

There are several types of marine organisms. These include several bacterial genera and species, as well as protozoans, planktons, marine invertebrates, and vertebrates. There are three major groups of marine animals based on habitat and mobility: plankton, nekton, and benthos.

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Answer:

Vacuole

Explanation:

Acetylcholine combines with a receptor molecule in the postsynaptic membrane of a muscle fibre results in muscle cell contraction. The unselected ach is broken down and the choline is reabsorbed.

Acetylcholine, an organic chemical which functions in the brain and body of many animals as a neurotransmitter. It's name is derived from its chemical structure: this is an ester of acetic acid and choline. Parts in the body that are affected by acetylcholine are referred to as cholinergic.

At presynaptic terminal, acetylcholine storage occurs in the presynaptic vesicle. With the stimulation of the presynaptic terminal, acetylcholine is released from the vesicles into the synaptic cleft, where the neurotransmitter is free to bind with receptors.

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The essay explores the impact of climate change on endangered animals. It examines how rising temperatures, habitat loss, and other climate-related factors threaten the survival of these vulnerable species.

Here are the steps for writing an essay about climate change affecting endangered animals:

1. Introduction: Begin the essay with an engaging introduction that captures the reader's attention and provides background information on climate change and its connection to endangered animals. Clearly state the purpose and scope of the essay.

2. Define climate change: Provide a clear definition of climate change and explain its causes, including human activities such as the burning of fossil fuels and deforestation.

3. Discuss endangered animals: Introduce the concept of endangered animals and explain why they are particularly vulnerable to the effects of climate change. Highlight some examples of endangered species affected by climate change.

4. Identify climate change impacts: Explore the various ways in which climate change, directly and indirectly, affects endangered animals. Discuss how rising temperatures, changing precipitation patterns, habitat loss, and disrupted ecosystems impact their survival and reproductive cycles.

5. Provide evidence: Support your arguments with scientific evidence, research studies, and case studies that demonstrate the specific impacts of climate change on endangered animals. Include relevant statistics, data, and expert opinions to strengthen your points.

6. Address potential solutions: Discuss potential strategies and solutions for mitigating the impact of climate change on endangered animals. Explore the importance of international cooperation, conservation efforts, sustainable practices, and policy changes to address this issue.

7. Conclusion: Summarize the key points discussed in the essay and emphasize the urgent need for action to combat climate change and protect endangered animal species. Conclude with a call to action, encouraging readers to become more aware, take individual and collective steps, and advocate for the preservation of these vulnerable species.

8. Proofread and revise: Carefully review your essay for clarity, coherence, grammar, and spelling errors. Make necessary revisions to enhance the overall quality and effectiveness of your writing.

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The result of polyspermy in humans is a nonfunctional zygote. The correct option is B

A phenomenon known as polyspermy occurs when more than one sperm cell fertilizes an egg. In a typical fertilization, only one sperm cell joins the egg, creating a zygote that later transforms into an embryo.

The majority of the time, this produces an unviable zygote that cannot grow into an embryo. This is due to the incompatibility of the genetic material from different sperm cells which prevents it from correctly combining to create a functional pair of chromosomes.

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Answer:

students who want to go to Brentview Arts must fill out an online application

Explanation:

if the only way to get into Brentview Arts is by doing an application online, then computers would help those students. They can't send it through the mail so the computer would be their only resource

The broad patterns of evolutionary change above the species level that result from numerous speciation and extinction events are called macroevolution.

Macroevolution refers to the large-scale changes in biodiversity and the evolutionary history of life on Earth. It involves the study of patterns and processes that occur at higher taxonomic levels, such as the formation of new species, the diversification of lineages, and the extinction of existing lineages. These patterns can be observed over extended periods of time, often spanning millions of years.

Macroevolutionary events, such as speciation and extinction, contribute to the formation of new groups of organisms and the reshaping of ecosystems. Speciation occurs when new species arise through various mechanisms, including geographic isolation, genetic divergence, and reproductive isolation. Extinction, on the other hand, leads to the elimination of entire lineages or groups of organisms.

By studying macroevolutionary patterns, scientists can gain insights into the processes that have shaped the diversity of life on Earth and the relationships between different taxa. It provides a broader perspective on evolutionary changes, helping us understand the origins, relationships, and trajectories of species and higher taxonomic groups throughout Earth's history.

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                                        Answer and Explanation

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According to Sciencing,

Translational kinetic energy is the energy of motion in a straight direction -- think of it as the energy of a car driving down the street. Kinetic energy is a function of the object's mass and its velocity. More specifically, translational kinetic energy can be described as one-half times the mass times the square of the object's velocity: 1/2mv^2.

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Because the translational kinetic energy formula consists of only two variables, mass, and velocity, increasing one of those properties is the only way to increase an object's translational kinetic energy. Increases to mass and velocity, however, do not have the same impact. Because kinetic energy is proportional to the velocity squared, increases in velocity will have an exponentially greater effect on translational kinetic energy. Doubling the mass of an object will only double its kinetic energy, but doubling the velocity of the object will quadruple its velocity.

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Rotational kinetic energy describes the energy of an object rotating around a center of gravity -- for example, a rider on a Ferris wheel. In this case, kinetic energy is still a function of mass and velocity, but the terms used are slightly different to account for the movement in a circular direction. Rotational kinetic energy applies the same equation, except the mass term is replaced by a variable known as the "moment of inertia," (I), while the velocity term is replaced by the object's "angular velocity," (w) -- 1/2Iw^2.

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As with translational kinetic energy, increasing energy is a matter of increasing mass and velocity. The "moment of inertia" is equal to an object's mass times the square of its distance from the center of rotation, so it can be increased by either increasing the object's mass or moving it farther from the center of rotation -- simply build a bigger Ferris wheel. Alternatively, you can increase the kinetic energy by increasing the angular velocity, which means simply increasing the speed at which the object rotates around the center of rotation.

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Big thanks to Sciencing, that's where I got all the answers! :3

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Hope this helps! <3

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Both directional selection and polyploidy speciation can play important roles in shaping the distribution and movement of species on the landscape. While directional selection influences the gradual adaptation of traits within a population, polyploidy speciation can lead to the emergence of new species with unique characteristics, facilitating their movement and expansion into different habitats.

Directional selection and polyploidy are two different mechanisms that can drive speciation, or the process by which new species arise from existing ones.

Directional selection refers to the process by which natural selection favors certain traits over others within a population, leading to the evolution of new traits and the differentiation of populations into new species. Directional selection can occur when a population is exposed to a changing environment, and certain traits become more or less advantageous in response to that change. For example, if a population of birds is exposed to a changing climate, birds with longer beaks may be better able to access new food sources, and their population may grow faster than birds with shorter beaks. Over time, this can lead to the evolution of a new species with a longer beak.

Polyploidy speciation refers to the process by which a population of organisms undergoes genetic changes that result in the production of offspring with multiple sets of chromosomes. Polyploidy can occur through a number of mechanisms, such as hybridization, polyploidization, or aneuploidy. When a polyploid organism is produced, it may have different genetic makeup than its parent species and may be better able to adapt to changing environmental conditions. Over time, this can lead to the evolution of a new species with different traits and characteristics.

Polyploidy speciation can occur relatively quickly, as the production of polyploid offspring can result in the fixation of new genetic traits in a population. Directional selection, on the other hand, can occur more slowly, as it relies on the gradual accumulation of advantageous traits over many generations. However, both mechanisms can contribute to the process of speciation and the evolution of new species on the landscape.

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Answer:

Such exploitation of a new environment gives rise to an evolutionary pattern called adaptive radiation. Through migration, isolation, or possibly a new mutation giving rise to a brand new adaptation, a population of organisms moves into a new geographic area where that species never previously existed.

Answer:

The light rays that are hitting the earth at 90 degrees are known as direct rays. ... Areas of the Earth that are hit by direct rays are warmer than areas that are hit by indirect rays. The equator (yellow) is always hit by direct rays of the sun. This is why it is always warm there.

Explanation:

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Answer:

A gray soft metal you can cut with a knife

Explanation:

Sodium is a delicate metal and can be cut with a tough cut with a bit of work by fair driving it through, not sawing it

The first signal that sets up the difference between the dorsal and ventral side of Xenopus is the cortical rotation.

Cortical rotation is the movement of the egg's cortex relative to its cytoplasm during animal development. The animal pole, which is the upper part of the egg, receives signals that determine the dorsal side, while the vegetal pole, which is the lower part of the egg, receives signals that determine the ventral side. These signals lead to the establishment of the dorsal and ventral axis of the embryo.

Cortical rotation and other events take place before the first cleavage of the embryo. At the one-cell stage, the gray crescent forms, which is a region opposite to the sperm entry point. The gray crescent contains cytoplasm and proteins that are essential for early embryonic development. The gray crescent and the cortical rotation are critical for dorsal-ventral axis formation during Xenopus embryogenesis. The dorsal side is marked by the presence of the gray crescent. The dorsal lip of the blastopore, a feature that forms the anus, is located on the dorsal side of the embryo.

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Answer:

There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection. After a while the birds will get old and their beaks will get weaker, eventually they will die, when there is a shortage of food they will start harming each other in order for it, that’s selection.

Explanation:

Answer:

Maple seeds travel on the wind by using their wings. The uneaten seeds will germinate some distance from the parent plant.

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Maple seeds are considered to be wind-pollinated.

There are five main modes of seed dispersal:

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Answer:

internal development

Explanation:

A female Carries it's baby inside, and it grows there till it is ready to be delivered

Answer:

internal

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Answer:

9/20+3(4-1)-7+\(2^{3}\)  

BODMAS stands for B-Brackets, O-Orders (powers/indices or roots), D-Division, M-Multiplication, A-Addition, S-Subtraction.

=9/2+12-3-7+\(2^{3}\)      Brackets is solved ..........3(4-1

=9/2+12-3-7+8       Orders(powers................\(2^{3}\)

=4.5+12-3-7+8        Division.............................9/2      

=16.5-3-1                  Addition..............................4.5+12 & -7+8

=12.5

Answer:

A DNA molecule consists of 4 base pairs. They are adenine, guanine, cytosine and thymine—adenosine pairs with thymine using two hydrogen bonds. Thus, the correct base pairing is Adenine-Thymine: option (a).

The correct answer is option a.Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism. DNA is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix.

How do DNA molecules work?

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Out of the options provided, the ozone hole and Earth's orbit do not directly contribute to climate change.

Ozone hole: The ozone hole refers to the thinning of the ozone layer in the Earth's stratosphere, primarily over the polar regions. While the depletion of the ozone layer is a significant environmental concern, it is distinct from climate change. Ozone depletion is caused by the release of chlorofluorocarbons (CFCs) and other ozone-depleting substances, which have harmful effects on the ozone layer but do not contribute significantly to global climate change. Earth's orbit: The Earth's orbit refers to its path around the Sun. Variations in Earth's orbit over long periods of time, known as Milankovitch cycles, influence climate patterns on geological timescales. However, these orbital variations occur over thousands to tens of thousands of years and are not responsible for the rapid climate changes observed in recent times.

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Answer: First, the plant has to take in water, sunlight, and oxygen. In turn, it produces carbon dioxide and glucose. Sunlight is the most necessary thing that a plant needs to complete this cycle.

Evidence that perpetrators do not see or realize they are leaving behind or carrying away from a crime scene is known as Trace evidence.

A crime scene is an environment or a place where perpetrators commit an offense and evidence can be gathered by the Forensics.

According to Locard's principle, he formulated a principle that every contact in a crime scene usually leaves a trace that can be left behind or carried away from the crime scene.

Therefore, we can conclude that the evidence that perpetrators do not see or realize they are leaving behind or carrying away from a crime scene is known as Trace evidence.

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Answer:

The south gets warm air.

Explanation:

The Earth splits into hemispheres, therefore, the north gets cold and the south gets warm weather. The southern hemisphere is closer to the equator.

Based on the law of segregation, the expected phenotype ratio of the F2 cross should be 75% black to 25% white.

This is otherwise known as Mendel's first law of genetics. According to this law, alleles of a gene segregate during meiosis or gamete formation and then randomly unite during fertilization.

According to this law, alleles are either dominant or recessive.

Thus, a cross of a black rooster with a white hen yielding an all-black offspring means that the black allele is dominant over the white allele. It also indicates that the offspring are heterozygous.

Assuming that the black and white alleles are represented by A and a respectively, the cross involving the two offspring would go as follows:

           Aa    x    Aa

       AA   Aa   Aa   aa

A_ = black = 3/4 or 75%

aa = white = 1/4 or 25%

Thus, the expected phenotype ratio is 75% black to 25% white offspring. But the cross yielded 7 blacks and 3 which is 70% to 30%.

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Answer:

i really dont know but I need the answer too  :(

Explanation:

The presence of cilia, flagella and pseudopods improve the chances of survival of a protist by increasing the likelihood of obtaining nutrients. Thus, the correct option is A.

Locomotion is the basic act or ability of something to transport or move itself from one place to another. Many protist species have the presence of some type of locomotory organelles on their body which are easily visible under a light microscope. A protists can move by gliding or floating, and by use of organelles such as flagella or cilia.

Protists use these locomotory organelles to find food, a mate, a suitable habitat or to survive and escape form the predators. Types of Movements involved in locomotion include axial and appendicular.

Therefore, the correct option is A.

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Answer:

the difference

Explanation:

Image result for Compare How does the coastal ocean zone compare with the open ocean zone? (This is Savvas Realize)

The coastal biome (which is also called the coast) is found near the shores, beaches, and sea cliffs where we stand and watch the waves roll in. ... But compared to the coast, the open ocean is sparsely populated, almost like an ocean desert. The ocean is a large place and can be divided up in many ways.

If the elevations of points X and Z are provided, we can subtract the two values to find the difference in elevation and then compare it to the options given to determine the closest one.

To determine the closest option to the difference in elevation between Susan's location (point X) and her campsite (point Z), we need to compare the given values.

Let's assume Susan's campsite (point Z) is at an elevation of Z meters, and her current location (point X) is at an elevation of X meters. The difference in elevation between the two points is given by |X - Z| (taking the absolute value to consider only the magnitude of the difference).

Now, let's compare the options given:

A. 280 m

B. 320 m

C. 2180 m

D. 2220 m

To determine the closest option, we need to find the value that is closest to the calculated difference |X - Z|.

Since the elevations of points X and Z are not provided, we cannot determine the exact difference or which option is closest to it. Without knowing the specific elevations, we cannot make a definitive choice among the given options.

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In order to extract ug/l levels of polychlorinated biphenyls (PCBs) from environmental water sample, the following procedures can be followed:Selection of extraction material:

Usually, some types of solid-phase materials such as silica gel, charcoal, C18 reverse-phase silica (RP-Si), polyurethane foam, and styrene-divinylbenzene resin (SDVB) are used for PCBs extraction.Pre-conditioning of extraction material: Before loading water samples onto the extraction material, it is necessary to precondition the extraction material in order to remove any impurities that may interfere with the PCBs extraction. The preconditioning process involves washing the extraction material with an organic solvent such as hexane, dichloromethane or acetone, followed by rinsing with distilled water.Preparation of water sample: Filter the water sample through a glass fiber filter and adjust the pH to 2-3 using concentrated hydrochloric acid. The sample is then loaded onto the extraction material.Extraction of PCBs: For the extraction of PCBs, the solid-phase material can be packed into a cartridge, column or disk. The water sample is passed through the extraction material under vacuum or gravity flow. The PCBs are adsorbed onto the extraction material, while other organic and inorganic compounds are removed by the washing step. The PCBs are then eluted from the extraction material using an appropriate solvent such as hexane, dichloromethane or acetone, and the solvent is evaporated using a rotary evaporator or nitrogen gas stream. The residue is reconstituted in an appropriate solvent and analyzed using gas chromatography with electron capture detector.

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Aristotle's anthropocentric view places humans at the center and considers other organisms as means to human ends, whereas the biocentric outlook recognizes the intrinsic value of all living things and emphasizes the interconnectedness and independent pursuit of well-being by each organism.

Aristotle's anthropocentric view, while reflective of the dominant perspective during his time, is heavily criticized from the perspective of today's sustainability. This view places humans at the center and considers the natural world as existing solely for human benefit. It disregards the intrinsic value and interconnectedness of all living organisms and ecosystems. This anthropocentric mindset has led to unsustainable practices, exploitation of natural resources, and the degradation of ecosystems, resulting in environmental crises such as climate change, habitat loss, and species extinction.

On the other hand, Paul Maylor's biocentric outlook aligns more closely with the principles of sustainability. It recognizes the inherent worth and autonomy of all living beings and acknowledges the interdependence of organisms within Earth's community. This perspective emphasizes the need for ecological balance and harmonious coexistence, promoting a more holistic approach to environmental stewardship.

From the standpoint of sustainability, the biocentric outlook offers a more comprehensive and ecologically responsible framework. It encourages a shift away from exploitative practices towards a greater respect for the intrinsic value of nature and the need for conservation and preservation. By recognizing the interconnectedness of all life forms, this perspective promotes sustainable living that supports the well-being of both humans and the natural world.

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